Abstract

Silver and gold nanoparticles are among the most extensively used nanoparticles due to their exceptional optical, electrical, and thermal properties, and their profound role in high-sensitivity biomolecular detection, catalysis biosensors, and medicine. The different physical and chemical approaches that have been formulated for the synthesis of these nanoparticles encompass the use of hazardous chemicals, which make them neither economically feasible nor environment friendly. There is, therefore, a growing need for a better, economically feasible, and environmentally friendly process for nanoparticle and nanomaterial synthesis. Application of the green chemistry principles in the synthesis of nanoparticles and nanomaterials has been recommended as a way that can minimize the hazardous effects and maximize the safety and sustainability of nanoparticle production. In this chapter, we focus on the application of green chemistry in the synthesis of silver and gold nanoparticles. We also discuss the characterization and application of green-synthesized silver and gold nanoparticles.

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